The artwork needs to be within: 11-9/32” (11.281”) wide x 7-1/4” (7.25”) high.
The artwork background (overall document size) needs to be: 11-25/32” (11.781”) wide x 7-3/4” (7.75”) high. This is for the bleed.
There must be a 1/4” bleed on all 4 sides.
The artwork for the spine needs to be within 1”.